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Cheap flights from Washington, D.C. to Knock from €218

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Knock departing on 31/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Washington, D.C. to Knock

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
09:55 - 15:40
IAD
-
NOC
24h 45m
3 stops
Multiple Airlines Logo
08:55 - 15:10
NOC
-
IAD
35h 15m
3 stops
€832Multiple Airlines
Thu, 27 Aug - Thu, 3 Sep
Multiple Airlines Logo
09:55 - 15:40
IAD
-
NOC
24h 45m
3 stops
Multiple Airlines Logo
08:55 - 15:10
NOC
-
IAD
35h 15m
3 stops
€844Multiple Airlines
Thu, 27 Aug - Thu, 3 Sep
Multiple Airlines Logo
09:55 - 15:40
IAD
-
NOC
24h 45m
3 stops
Multiple Airlines Logo
08:55 - 15:10
NOC
-
IAD
35h 15m
3 stops
€845Multiple Airlines
Thu, 27 Aug - Thu, 3 Sep
Multiple Airlines Logo
09:55 - 12:35
IAD
-
NOC
21h 40m
2 stops
Multiple Airlines Logo
18:55 - 05:20
NOC
-
IAD
39h 25m
3 stops
€857Multiple Airlines
Wed, 16 Sep - Mon, 21 Sep
Multiple Airlines Logo
09:55 - 12:35
IAD
-
NOC
21h 40m
2 stops
Multiple Airlines Logo
13:05 - 19:20
NOC
-
IAD
35h 15m
2 stops
€863Multiple Airlines
Wed, 16 Sep - Mon, 21 Sep
Multiple Airlines Logo
16:00 - 17:15
IAD
-
NOC
20h 15m
2 stops
Multiple Airlines Logo
16:55 - 05:20
NOC
-
IAD
41h 25m
3 stops
€864Multiple Airlines
Sun, 20 Sep - Wed, 30 Sep
Multiple Airlines Logo
17:45 - 12:35
IAD
-
NOC
13h 50m
1 stop
Multiple Airlines Logo
13:00 - 20:55
NOC
-
IAD
11h 55m
1 stop
€868Multiple Airlines
Tue, 20 Oct - Thu, 29 Oct
Multiple Airlines Logo
09:55 - 12:35
IAD
-
NOC
21h 40m
2 stops
Multiple Airlines Logo
17:05 - 05:20
NOC
-
IAD
41h 15m
3 stops
€891Multiple Airlines
Wed, 16 Sep - Sun, 20 Sep
British Airways Logo
17:45 - 12:35
IAD
-
NOC
13h 50m
1 stop
British Airways Logo
13:00 - 17:20
NOC
-
IAD
32h 20m
2 stops
€892British Airways
Wed, 21 Oct - Thu, 29 Oct
British Airways Logo
09:15 - 12:35
IAD
-
NOC
22h 20m
2 stops
British Airways Logo
13:00 - 17:20
NOC
-
IAD
32h 20m
2 stops
€896British Airways
Sun, 18 Oct - Thu, 29 Oct

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British Airways flights from Washington, D.C. to Knock

Our best British Airways deals on Washington, D.C. to Knock flight tickets
British Airways
21 Oct
IAD17:45Washington, D.C. Dulles Intl
13h 50m
1 stop
NOC12:35Knock Intl
29 Oct
NOC13:00Knock Intl
32h 20m
2 stops
IAD17:20Washington, D.C. Dulles Intl
€892
British Airways
18 Oct
IAD09:15Washington, D.C. Dulles Intl
22h 20m
2 stops
NOC12:35Knock Intl
29 Oct
NOC13:00Knock Intl
32h 20m
2 stops
IAD17:20Washington, D.C. Dulles Intl
€896
British Airways
18 Oct
IAD19:15Washington, D.C. Dulles Intl
12h 20m
1 stop
NOC12:35Knock Intl
29 Oct
NOC13:00Knock Intl
31h 40m
1 stop
IAD16:40Washington, D.C. Dulles Intl
€902

momondo Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to Knock that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 13,528 searches. Data last updated 31 July 2026.
Use the filters below to find and compare flights from Washington, D.C. to Knock that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 27/8

09:55-15:40

3 stops24h 45m

Knock Intl

Thu 3/9

08:55-15:10

3 stops35h 15m

€832

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 27/8

09:55-15:40

3 stops24h 45m

Knock Intl

Thu 3/9

08:55-15:10

3 stops35h 15m

€844

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Thu 27/8

09:55-15:40

3 stops24h 45m

Knock Intl

Thu 3/9

08:55-15:10

3 stops35h 15m

€845

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 16/9

09:55-12:35

2 stops21h 40m

Knock Intl

Mon 21/9

18:55-05:20

3 stops39h 25m

€857

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 16/9

09:55-12:35

2 stops21h 40m

Knock Intl

Mon 21/9

13:05-19:20

2 stops35h 15m

€863

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 20/9

16:00-17:15

2 stops20h 15m

Knock Intl

Wed 30/9

16:55-05:20

3 stops41h 25m

€864
Fastest return journey

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Tue 20/10

17:45-12:35

1 stop13h 50m

Knock Intl

Thu 29/10

13:00-20:55

1 stop11h 55m

€868

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 16/9

09:55-12:35

2 stops21h 40m

Knock Intl

Sun 20/9

17:05-05:20

3 stops41h 15m

€891

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Wed 21/10

17:45-12:35

1 stop13h 50m

Knock Intl

Thu 29/10

13:00-17:20

2 stops32h 20m

€892

Washington, D.C.Knock

IAD - NOC

IADNOC

Washington, D.C. Dulles Intl

Sun 18/10

09:15-12:35

2 stops22h 20m

Knock Intl

Thu 29/10

13:00-17:20

2 stops32h 20m

€896

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Knock from

How to get the cheapest flight ticket from Washington, D.C. to Knock

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

How long does it take to fly to Knock?

On average, it takes 11h 05m to fly from Washington, D.C. to Knock if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Shannon, Clare (the most popular airport in Knock). If you’re flying out of Baltimore and into Shannon, Clare, then the flight time is around 11h 35m.

When to book flights from Washington, D.C. to Knock

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Knock according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Washington, D.C. to Knock (WAS to NOC) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Knock

Fastest flight time

21h 40m

Direct flights

None
The fastest flight from Washington, D.C. to Knock takes 21h 40m
There are no direct flights from Washington, D.C. to Knock. There are no popular flight routes from Washington, D.C. to Knock.
Search flight deals

Frequently asked questions about flying from Washington, D.C. to Knock

  • How far is Washington, D.C. to Knock Intl by plane?

    Washington, D.C. and Knock Intl are 5256.3 km apart from one another. Typically, this will take 21h 40m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. to Knock Intl Airport?

    Prices for flights from Washington, D.C. to Knock Intl Airport are updated daily.

  • How old do you have to be to fly from Washington, D.C. to Knock Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Knock Intl Airport.

  • What documentation or ID do you need to fly to Knock Intl Airport?

    The travel and health documents required for your trip to Knock Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Knock Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Travelling to a place near Knock?

Book flights to Knock if you plan to visit one of these locations
Sligo
Westport
Carrick-on-Shannon
Belmullet

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Knock?

Finding the right flight to Knock from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Knock quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Knock with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Knock on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Knock?

Once all potential Washington, D.C. to Knock flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Knock right now. Can momondo alert me if prices change?

Price alerts on flights to Knock from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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